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List of antivirus suites that presently work with Windows 7 Beta

with 45 comments

If you’ve decided to give Windows 7 a whirl and have recently installed the open now closed beta, you’ll have noticed that upon installation you are notified of the fact that you’re lacking proper antivirus software.

This is nothing new and actually has been a “feature” of Windows ever since XP’s SP2 got released and the Security Center came to exist. It’s nothing new either to have a majority of antivirus suites to become incompatible with brand new operating systems – and Windows 7 is no exception, especially more so in its current beta form.


Upon a bit of investigation you probably made your way to the Windows 7 security provider page at Microsoft’s site and perhaps were let down by the fact that the three “officially” supported AVs are all paid software or that your preferred suite isn’t listed (AVG is listed but not the free version). So, we’ve decided to install and test a variety of the more popular options out there so you don’t have to.


We will start things off by confirming that the supported AVs on Microsoft’s page indeed work:

AVG & AVG Free: Compatible **



Kaspersky Antivirus 2009: Compatible



Norton AntiVirus 2009: Compatible



Eset NOD32: Compatible



McAfee Total Protection Beta: Compatible




Avast! Home Edition: Compatible



Avira AntiVir Personal: Compatible



BitDefender Internet Security 2009: Compatible



Trend Micro Internet Security Pro: Incompatible


eScan Internet Security Suite: Incompatible


Ahnlab V3 Internet Security 2007: Incompatible




Needless to say, the similarities between Vista and 7 become apparent from looking at the list above. No doubt AV makers have adapted their applications to interact with the OS internal workings better, so they are easily prepared to work with 7.

Besides installing the suites we toyed with them a little and ran quick/full scans. Those apps listed as compatible should be working fine for you unless some bug in the beta OS (or why not, the AV suite compatibility) becomes self-evident.

If you’re curious about any other antivirus, let us know in the comments and we’ll update the article with our findings (if we can obtain the software) and be sure to let us know if your favorite antivirus is now compatible!

** Update 2/12/09:
Added BitDefender Internet Security 2009 to the list. I experienced no compatibility issues whatsoever throughout the installation, updating and scanning process.

Paul Hayes ( was kind enough of letting us know that AVG’s Mail Scanner portion doesn’t go along well with Outlook, causing it to stop receiving email. We will confirm this ourselves later. I tested this using Outlook 2007 and had no problems at all sending or receiving new/old mail via IMAP/SMTP from my Gmail account. Perhaps the issue is more isolated to a specific configuration and it may even be absolutely unrelated.

** Update 2/13/09:
Added Trend Micro Internet Security Pro to the list. Resulted in BSOD (stop 0x18) and screwed up UAC, couldn’t make any alterations from within Windows. I was forced to manually remove the software in Safe Mode (by deleting program data/registry entries).

Added eScan Internet Security Suite to the list. During installer/uninstaller caused the cursor to randomly move on it’s own and caused general instabilities.

** Update 2/16/09:
Added Ahnlab V3 Internet Security 2007 to the list. It required me to run the compatibility wizard for installation and even then the program was very unstable (stopped responding on multiple occasions, especially when applying settings). Also, the Action Center failed to detect any protection while it was installed. Though it installed/uninstalled and allowed me to update/scan successfully, I would not presently use this antivirus on Windows 7.

** Update 2/25/09:
Added McAfee Total Protection Beta (thank you for updating us in the comments). Experienced absolutely no issues, installation/uninstallation were clean and updating/scanning went smooth. If you were bummed about the previously incompatible offer from McAfee, wipe the tears away and get their beta software.

Written by Matthew DeCarlo

February 12th, 2009 at 5:05 am

45 Comments so far

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  1. What about BitDefender 2009 ???????

    Mohannad ASayed

    12 Feb 09 at 6:28 am

  2. I’m running Bitdefender2009 with Win7 without a hitch or hiccup.

    I’m also running Threatfire and Spybot – Search & Destroy as well without any seen problems.


    12 Feb 09 at 9:07 am

  3. Did you test eScan?


    12 Feb 09 at 9:25 am

  4. I installed the Kaspersky “beta” and it wasn’t great. I couldn’t install Adobe Acrobat Reader. It would fail near the end, but it appeared to be an issue with Windows 7. I uninstalled Kaspersky beta and then Adobe installed.

    I then went and installed my copy of Kaspersky 2009 and it installed just fine and is working great.


    12 Feb 09 at 12:07 pm

  5. Cant believe Mcafee doesnt work .. wow .. used to be good Mcafee.. USED to be!


    12 Feb 09 at 2:56 pm

  6. BitDefender 2009 does not work with Windows 7 beta. I tried everything I could to get it to work but it would just freeze up. And to top it off, it was a pain in the butt to uninstall. I had to delete it manually. I installed the Kaspersky 9 beta with a free 3 month license. Works fine.


    12 Feb 09 at 8:06 pm

  7. I use TrendMicro exclusively except for this beta O/S, I’m a PUG member which is a Power User Beta tester and I haven’t even attempted to install trendmicro antivirus or pccillin on win7 because of known compatibility issues as stated by trendmicro.

    But has anybody tested a install of the app and if so, how did it go.

    I figure if Hotmail uses it as their default av app, then it should be good to go but guess not

    bobby ketcham

    12 Feb 09 at 8:20 pm

  8. During my testing of Win7 I found A-Squared Anti-Malware (with Ikarus anti-virus) to be fully compatible.


    12 Feb 09 at 8:32 pm

  9. Tried to install Bit Defender 2009. It installed, but when I tried to download the latest updates, it balked and would not allow, saying it could not communicate with the Bit Defender database

    Robert Bailey

    12 Feb 09 at 8:37 pm

  10. @Rhys

    To be fair, this article wasn’t intended to prove or disprove the quality of any antivirus software, merely the compatibility with Windows 7 beta. :) I’m sure things will be resolved later on in the beta phase and almost certainly by the official release.

    Matthew DeCarlo

    12 Feb 09 at 9:51 pm

  11. ArcaVir 2009 by Polish company ArcaBit works fine with Windows 7 also.


    13 Feb 09 at 6:35 am

  12. What about McAfee VirusScan Enterprise v8.5 ?


    13 Feb 09 at 8:36 am

  13. Interesting that McAfee is “not compatible”. I wonder why I am running McAfee on my test bed with no problems. This is McAfee 8.7.0i.

    Paul Pullen

    13 Feb 09 at 11:05 am

  14. Well. Norton one is version 2009.
    I’m sure when McAfee gets version 2009, I’m sure it will be compatable with beta of Windows 7?


    13 Feb 09 at 8:07 pm

  15. Norton Internet Security does NOT work with Windows 7 Beta 1 (Build 7022) but it is OK with Windows 7 Beta 1 (Build 7000)


    14 Feb 09 at 2:28 pm

  16. What about Ahnlab V3 Internet security 2007?


    15 Feb 09 at 7:14 pm

  17. for all the beta 7 people that are trying to install any programs try this -right click on install file – click properties -click compatibility –
    check box to – run in compatibility mode for-
    select what version of windows – apply then run the install program
    for the newest version it has
    like windows xp or vista it should work ok

    old dog

    16 Feb 09 at 3:52 pm

  18. Actually, PrevX is recognized by Windows 7 just fine, and it works brilliantly.


    17 Feb 09 at 5:28 pm

  19. Thank you for providing information about the compatibility of PrevX :), though, I have to ask; why do you say “actually”? Nobody (from what I can see) has mentioned it on this page at all.

    Matthew DeCarlo

    17 Feb 09 at 9:03 pm

  20. What I have used the beta. F-secure 8 “seems” to work just fine.


    17 Feb 09 at 11:37 pm

  21. McAfee released its McAfee Total Protection Suite beta for Windows7, which can be dowloaded from the following location


    20 Feb 09 at 9:14 am

  22. I’m now using TrendMicro Internet Security Suite with version TIS 17.50 a beta which I installed a couple of weeks ago and I have had 0 issues.

    This includes ALL the PRO modules and firewall, update service and everything else. I’m using win 7 RC1 x64 as well. Like I said, (0) issues, no BSOD’s no UAC hiccups, no instabilities.

    Congrats TrendMicro on a Fantastic new APP.

    Bobby Ketcham

    25 May 09 at 4:39 pm

  23. Microsoft Forefront works with Windows 7

    Josh Franklin

    5 Jun 09 at 10:54 am

  24. i was running bitdefender, but by some reason it blocked both internet explorer, opera and firefox, so i was unable to go online when it was acitve, eventhough both ie, opera and firefox was in the allow list.
    so i wouldn’t say it is compatible with windows 7, not compatible enough atleast


    8 Jun 09 at 4:34 pm

  25. @Kim: I ran it for about a half an hour with no issues on build 7000. Naturally, your mileage may vary. That said – at this point, the above list should be taken with a grain of salt as it hasn’t been updated since late February.

    Thanks for the feedback.

  26. Symantec Corporate Antivirus?


    16 Jun 09 at 10:15 pm

  27. @Matthew DeCarlo; i didn’t have any problems running bitdefender before the RC build 7100 was released.


    17 Jun 09 at 4:14 am

  28. I would like to see whether Comodo Internet Security Free is compatible with Windows 7 or not.


    3 Jul 09 at 9:46 am

  29. @Vitaliy: I’m sorry, but we haven’t run any tests since February and have no plans to do so. The above tests were conducted using Windows 7 Beta (build 7000) following its public release. Since then, there have been quite literally countless additional beta versions, an official Release Candidate launch and there is talk of a possible RTM by the 13th of July. In other words, we were only testing the anti-viruses on Windows 7 Beta, which is now essentially defunct.

    That said, given the rapid progression of Windows 7, I’d be shocked if any of the major developers haven’t gotten their ducks in a row by now. I would be willing to wager that the Comodo software you’re interested in is compatible. If you attempt to install it and are met with a problem (BSOD or whatever), I’ll do my best to help you: matt(at)techspot(dot)com.

    Matthew DeCarlo

    4 Jul 09 at 9:18 am

  30. BitDefender Total Security 2010 Beta works like a champ. They are targeting Windows 7 with this release with no major changes to the user interface over 2009.


    9 Jul 09 at 5:50 am

  31. Thanks, I guess that Comodo Internet is going to work on Windows 7, but I’ve already installed AVG Free and it works! Most likely I’ll not switch to COMODO.


    25 Jul 09 at 3:31 pm

  32. Bulldog, which IS listed on the Microsoft site as being compatable.. is NOT.
    Internet Explorer locked up constantly, that I could only surf in safe mode. Outlook constantly crashed due to its email features, and often after a reboot windows would lock up or Bulldog services were not available. I uninstalled and all is well.

    I have a subscription at bit defender (gamer mode) but am afraid to try it after the comments above. Can anyone else suggest a program that works that has a gaming mode?


    26 Jul 09 at 11:35 am

  33. Malwarebytes (
    a program that fights Malware also works with Windows 7 and is a good replacement for Windows Defender.


    26 Jul 09 at 11:47 am

  34. @Kim
    That was the exact issue I had with Bulldog, you described it to a “T”.


    26 Jul 09 at 11:51 am

  35. hello what about PANDA ANTIVIRUS????/


    18 Sep 09 at 2:11 pm

  36. At this point (or by the time Windows 7 is released to the public) you can definitely expect a majority of anti-viruses to be fully compatible with the new operating system.

    For sure, if your antivirus provider is not ready by then, you are better off looking somewhere else for real protection against threats.

    Julio Franco

    24 Sep 09 at 4:21 am

  37. In Regards to Vitaliy’s question about Comodo:

    Comodo Firewall and Antivirus are compatible with Windows 7. I currently have both installed on my home PC. The firewall works great and blocks suspicious sites for me. The antivirus is excellent and has found malware that other programs did not pick up. I have also used both Avira Antivirus and Avast simultaneously to figure out which one was better. What I found was that Avira had higher detection rates and picked up on certain spyware that Avast did not. Of course both software found me false positives, but Avira made fewer errors in claiming healthy files were infected.


    27 Oct 09 at 1:39 pm

  38. I need anti virus that works with pop 3 (yahoo mail, frontier mail – my cable co) I have vista 32 bit. Per Norton none of the companies have anti virus for pop 3 mail. They all work with outlook express. And since windows 7 does not have outlook express none of them will work with that. May or may not upgrade to windows 7 but thought you should know what they told me. I want one, from some company, that works with my mail.

    Suellen Crawford

    11 Oct 10 at 2:13 pm


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